| 100 x 30 mm, Permanent, 18 Labels Per Sheet, 450 Labels Per Pack | 
| 25 sheets of 18 labels (450 total) | 
| 25 sheets per pack | 
| Absolutely opaque - perfect for covering old inscriptions | 
| Adhesive labels for ring binders | 
| BlockOut - Opaque labels to cover previous information | 
| Colour: white | 
| Compatible with laser printers | 
| Dimensions: 100 x 30mm | 
| Extend the life of your files with Avery BlockOut™ Laser Labels. Use files time and again as the labels are opaque and block out the detail underneath. | 
| Find items faster with clearly and professionally labelled files. | 
| Good adhesive strength for reliability | 
| Identify your lever arch files easily | 
| Identify your lever arch files easily. Good adhesive strength for reliability | 
| Jam free for smooth printing | 
| JamFREE™ printing - special edges on the label sheet ensures no adhesive residue is left on your printer | 
| JamFREET printing - special edges on the label sheet ensures no adhesive residue is left on your printer | 
| Label Size: 100x30mm. | 
| Made from FSC? certified paper from responsibly-managed forests | 
| Print your labels with FREE Avery Design & Print online label creator. Visit avery.co.uk/print | 
| Save time with FREE Avery templates and software for Microsoft® Office. Easy to download; easy to use. | 
| Save time with our FREE, easy-to-use template software; Avery Design and Print | 
| Stick reliably to the spine of ring binders. | 
| Template software is available online |